10
Management
Figure 1. Relationship of the Ear
Relationship of the outer ear (pinna and ear canal), middle ear (ossicles and tympanic membrane), and
inner ear (cochlea vestibular system). Tubes are inserted into the tympanic membrane (eardrum).
Figure 2. (A) Size of tympanostomy tube compared to a dime, (B) Tympanostomy
(A) Size of tympanostomy tube compared to a dime. (B) Tympanostomy tubes are also called
ventilation tubes because the opening allows air to enter the middle ear directly from the ear canal
(arrows), which supplements ventilation through the child's poorly functioning eustachian tube (X).
Reproduced with permission: Rosenfeld RM. A parent's guide to ear tubes. PMPH-USA; 2005.
Figure 2. Ear Tubes
